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hex7seg.v
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hex7seg.v
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////////////////////////////////////////////////////////////////////////////////////
// Copyright (c) 2012, Ameer M. Abdelhadi; ameer@ece.ubc.ca. All rights reserved. //
// //
// Redistribution and use in source and binary forms, with or without //
// modification, are permitted provided that the following conditions are met: //
// * Redistributions of source code must retain the above copyright //
// notice, this list of conditions and the following disclaimer. //
// * Redistributions in binary form must reproduce the above copyright //
// notice, this list of conditions and the following disclaimer in the //
// documentation and/or other materials provided with the distribution. //
// * Neither the name of the University of British Columbia (UBC) nor the names //
// of its contributors may be used to endorse or promote products //
// derived from this software without specific prior written permission. //
// //
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" //
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE //
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE //
// DISCLAIMED. IN NO EVENT SHALL University of British Columbia (UBC) BE LIABLE //
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL //
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR //
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER //
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, //
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE //
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. //
////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////
// hex7seg.v: hexadecimal 7-segment controller //
// //
// Ameer M.S. Abdelhadi (ameer@ece.ubc.ca; ameer.abdelhadi@gmail.com), Sept. 2012 //
////////////////////////////////////////////////////////////////////////////////////
module hex7seg (
input [3:0] hex,
output reg [6:0] seg
);
always @(*) begin
case(hex)
4'h0: seg = 7'b1000000;
4'h1: seg = 7'b1111001;
4'h2: seg = 7'b0100100;
4'h3: seg = 7'b0110000;
4'h4: seg = 7'b0011001;
4'h5: seg = 7'b0010010;
4'h6: seg = 7'b0000010;
4'h7: seg = 7'b1111000;
4'h8: seg = 7'b0000000;
4'h9: seg = 7'b0011000;
4'ha: seg = 7'b0001000;
4'hb: seg = 7'b0000011;
4'hc: seg = 7'b1000110;
4'hd: seg = 7'b0100001;
4'he: seg = 7'b0000110;
4'hf: seg = 7'b0001110;
endcase
end
endmodule